High Quality: 12V auto switch made of polyamide (nylon PA66), corrosion-resistant, acid-resistant, alkali-resistant, and heat-resistant. Terminals are silver-plated brass, with long service life. Widely Used: Suitable for various electrical products, instruments, cars, boats, household appliances, electronic vehicles, communication devices, military equipment, measuring devices, gas water heaters, small household appliances, and decorative lighting. Voltage: 12V DC; Current: 20A; Type: 3-pin with LED on/off switch. Easy to Install: "A2" for LED lighting, "A" in the middle connected to "+" (DC), "A1" connected to your equipment. Note: Please power off before installation. Package Includes: 8 LED toggle switches (2 red LEDs, 2 blue LEDs, 2 green LEDs, 2 yellow SPST LED switches).